1.A student masses an unknown hydrate sample and finds there are 5.00g of hydrate. After dehydrating the sample in an oven for 1h, the sample has a mass of 3.00 g. How many moles of water were removed from the hydrate. use dimensional analysis. 2. a. What is the mass of anhydride for the student sample? ___________ g anhydride b. If the formula weight (molar mass) of the anhydride is 89.54g/mol, how many moles of anhydride are in the student sample? c. What is the ratio of moles of water to moles of anhydride? mol H2O . = _____________ mol anhydride d. What is the formula for the hydrate? Fill in the blank: X • ___ H2O

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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1.A student masses an unknown hydrate sample and finds there are 5.00g of hydrate. After dehydrating the sample in an oven for 1h, the sample has a mass of 3.00 g. How many moles of water were removed from the hydrate. use dimensional analysis.

2. a. What is the mass of anhydride for the student sample? ___________ g anhydride

b. If the formula weight (molar mass) of the anhydride is 89.54g/mol, how many moles of anhydride are in the student sample?

c. What is the ratio of moles of water to moles of anhydride? mol H2O . = _____________ mol anhydride

d. What is the formula for the hydrate? Fill in the blank: X • ___ H2O

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